Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Alexandre Gontcharov"'
Publikováno v:
Materials & Design, Vol 208, Iss , Pp 109895- (2021)
This study reports the crack-free fabrication of a new high gamma prime precipitation hardened Ni-based superalloy by Laser Powder Bed Fusion (LPBF) process. In the as-built condition, scanning electron microscopy and electron backscattered diffracti
Externí odkaz:
https://doaj.org/article/02e191a0522f4bf5b375660230cac208
Autor:
Mohsen K. Keshavarz, Alexandre Gontcharov, Paul Lowden, Anthony Chan, Devesh Kulkarni, Mathieu Brochu
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 5, Iss 1, p 21 (2021)
Laser directed energy deposition (LDED) was used with a powder blend comprising 75 wt.% Rene 142 and 25 wt.% of Merl 72 (4275M72) for turbine blade tip repair applications. Sound samples could be deposited at ambient temperature on Haynes 230. The mi
Externí odkaz:
https://doaj.org/article/a9902bdbf29c4445af6c7859b2423aca
Autor:
Anthony Chan, Alexandre Gontcharov, Paul Lowden, Thomas Mikolajewski, J. J. Sixsmith, Robert Tollett, Clayton Greer
Publikováno v:
Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications.
High pressure turbine (HPT) blades manufactured from single crystal (SX) materials exhibit tip degradation during service resulting in loss of coatings and parent metal, primarily from abrasion, thermal-mechanical fatigue cracking (TMF), creep, and o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07346189f2e9651a77f30db6b67a8b7c
https://doi.org/10.1115/gt2022-80473
https://doi.org/10.1115/gt2022-80473
Publikováno v:
Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy.
Chemical composition, structure, mechanical and oxidation properties of welds produced utilizing laser direct energy deposition process of a newly developed LW4280 welding powder will be presented. Crack-free and high-density specimens were fabricate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e68cbe4e313f1da047d9347e6c0d587
https://doi.org/10.1115/gt2021-58851
https://doi.org/10.1115/gt2021-58851
Publikováno v:
Journal of Manufacturing Science and Engineering. 142
In this study, the weldability, microstructure, and tensile properties of CM64 and Tribaloy T-800 (T800) cobalt-based hard-facing materials were studied. Successful CM64 hard-facing could be achieved at ambient temperature using manual gas tungsten a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bfd23902de21b588825b4420c77428e
https://doi.org/10.1115/1.4047142
https://doi.org/10.1115/1.4047142
Publikováno v:
Materials & Design, Vol 208, Iss, Pp 109895-(2021)
This study reports the crack-free fabrication of a new high gamma prime precipitation hardened Ni-based superalloy by Laser Powder Bed Fusion (LPBF) process. In the as-built condition, scanning electron microscopy and electron backscattered diffracti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17f3038e8ddc686a4f2b666e8aad7033
https://doi.org/10.1016/j.matdes.2021.109895
https://doi.org/10.1016/j.matdes.2021.109895
Publikováno v:
Journal of Alloys and Compounds. 694:429-438
Gas tungsten arc deposits were made on substrate of stainless steel 304 using IN625 wires modified with 0.4 wt% B in shielding argon. The temperature profiles were simulated by the modified Rosenthal 3D equation. The re-melting boundary correlated we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d49a5c9e3d38c34cf16b715d1eb058d8
https://doi.org/10.1016/j.jallcom.2016.10.019
https://doi.org/10.1016/j.jallcom.2016.10.019
Publikováno v:
Materials Science and Engineering: A. 684:275-283
Microstructure evolution and mechanical properties of IN625 wires modified with 0.4 wt% B deposited by gas tungsten arc in shielding argon were studied in both as-deposited and heat treated condition. In the as-deposited condition, hardness heterogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19112969ea04ab35282c8fc6fb060ab9
https://doi.org/10.1016/j.msea.2016.12.038
https://doi.org/10.1016/j.msea.2016.12.038
Publikováno v:
Materials Science and Engineering: A. 674:646-657
Microstructure evolution and mechanical properties of sample produced by laser powder deposition using blended powders of Mar M247 and Amdry DF3 were studied in the as-deposited and heat treated conditions. In the as-deposited condition, continuous (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a91a7f3c95777572ff3c11a45284156c
https://doi.org/10.1016/j.msea.2016.07.116
https://doi.org/10.1016/j.msea.2016.07.116
Publikováno v:
Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy.
The microstructure and mechanical properties of materials produced by wide gap brazing (WGB) and laser beam (LBW) cladding with different blends of Mar M247 and Amdry DF-3 brazing powders were studied. It was shown that LBW Mar M247-based materials c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::641796d2a88a9da3431cad84ae3ef07b
https://doi.org/10.1115/gt2018-75870
https://doi.org/10.1115/gt2018-75870